<template>
  <div class="app-container">
    <el-form
      v-show="showSearch"
      ref="queryForm"
      :model="queryParams"
      :inline="true"
      label-width="68px"
    >
      <el-form-item label="名称" prop="imageTitle">
        <el-input
          v-model="queryParams.imageTitle"
          placeholder="请输入名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button
          type="primary"
          icon="el-icon-search"
          size="mini"
          @click="handleQuery"
          >搜索</el-button
        >
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          
          >新增</el-button
        >
      </el-col>

      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          >删除</el-button
        >
      </el-col>
    </el-row>

    <el-table
      v-loading="loading"
      :data="imagesList"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="id" align="center" prop="id" />
      <el-table-column label="名称" align="center" prop="imageName" />
      <el-table-column label="imageTitle" align="center" prop="imageTitle" />
      <el-table-column prop="imageUrl" label="地址url" align="center" />

      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
      >
        <template slot-scope="scope">
          <el-button
            v-hasPermission="['content:link:edit']"
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            >修改</el-button
          >
          <el-button
            v-hasPermission="['content:link:remove']"
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            >删除</el-button
          >
          <el-button
            v-if="scope.row.status == 2"
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleChangeStatus(scope.row, '0')"
            >审核通过</el-button
          >
          <el-button
            v-if="scope.row.status == 2"
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleChangeStatus(scope.row, '1')"
            >审核不通过</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <el-pagination
      :page-size.sync="queryParams.pageSize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total"
      :page-sizes="[10, 20, 30, 40]"
      :current-page.sync="queryParams.pageNum"
      @current-change="getImagesList"
      @size-change="getImagesList"
    />

    <!-- 添加或修改友链对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="名称" prop="imageName">
          <el-input v-model="form.imageName" placeholder="请输入名称" />
        </el-form-item>

        <el-form-item label="Title" prop="imageTitle">
          <el-input v-model="form.imageTitle" placeholder="请输入imageTitle" />
        </el-form-item>
        <el-form-item label="地址" prop="imageUrl">
          <el-input v-model="form.imageUrl" placeholder="请输入地址" />
        </el-form-item>
        <el-form-item label="地址" prop="imageUrl">
          <el-upload
            
            class="upload-demo"
            action="/seedupload"
            name="img"
            :http-request="handleUpload"
            :before-upload="beforeUpload"
            :on-exceed="onExceed"
          >
            <el-button size="small" type="primary">点击上传</el-button>
            <div slot="tip" class="el-upload__tip">
              只能上传jpg/png文件，且不超过2MB
            </div>
          </el-upload>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  getImage,
  addImage,
  delImage,
  updateImage,
  getImageTitle,
  seeduploadImg,
} from "@/api/content/images";
export default {
  name: "Link",
  data() {
    return {
      
      // 遮罩层
      loading: true,
      // 导出遮罩层
      exportLoading: false,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 友链表格数据
      imagesList: null,
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        imageName: null,
        imageTitle: null,
        imageUrl: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {},
    };
  },
  created() {
    this.getImagesList();
  },
  methods: {
    //获取图片列表
    getImagesList() {
      this.loading = true;
      getImage(this.queryParams).then((response) => {
        //console.log(response)
        this.imagesList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        imageName: null,
        imageTitle: null,
        imageUrl: null,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getImagesList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.id);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加轮播图";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids;
      getImageTitle(id).then((response) => {
        this.form = response;
        this.open = true;
        this.title = "修改轮播图";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          if (this.form.id != null) {
            updateImage(this.form).then((response) => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getImagesList();
            });
          } else {
            addImage(this.form).then((response) => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getImagesList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal
        .confirm('是否确认删除轮播图编号为"' + ids + '"的数据项？')
        .then(function () {
          return delImage(ids);
        })
        .then(() => {
          this.getImagesList();
          this.$modal.msgSuccess("删除成功");
        })
        .catch(() => {});
    },
    onExceed() {
      this.$message.error("只能上传一个图片");
    },
    handleUpload(img) {
      seeduploadImg(img.file)
        .then((response) => {
          this.form.imageUrl = response;
          this.fileList.push({ name: img.file.name, url: response });
          this.imagevalue = true;
          this.$message.success("上传成功");
        })
        .catch((error) => {
          this.$message.error(error.msg);
        });
    },
    beforeUpload(file) {
      // 添加上传前的校验逻辑
      const isJPG = file.type === "image/jpeg" || file.type === "image/png";
      const isLt2M = file.size / 1024 / 1024 < 2;

      if (!isJPG) {
        this.$message.error("只能上传 JPG/PNG 格式的图片");
      }
      if (!isLt2M) {
        this.$message.error("图片大小不能超过 2MB");
      }

      return isJPG && isLt2M;
    },
    
  },
};
</script>
